Modular beverage cooler



FIG. 1 is a front elevational view of a modular beverage cooler, showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a modular beverage cooler, substantially as shown and described. 